code: def setUpClass(cls):
      cls.kwargs = {
          "aws_access_key_id": "PCAQ2LJDOSWLNSQKOCPW",
          "aws_secret_access_key": "U/VjewPlNopsDmmwItl34r2neyC6WhZpUiip57i",
          "region_name": "us-east-1",
      }
      cls.handler = DyanmoDBHandler("test_dynamodb_handler", cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/dynamodb_handler/tests/test_dynamodb_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.dynamodb_handler.dynamodb_handler import DyanmoDBHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the DynamoDBHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types